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Home/ Questions/Q 7639457
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Editorial Team
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Editorial Team
Asked: May 31, 20262026-05-31T08:25:21+00:00 2026-05-31T08:25:21+00:00

Is there a way to perform a group conditional statement? For example, I have

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Is there a way to perform a group conditional statement?

For example, I have a process which returns random numbers from an array (x) which I want to compare to the first 100 prime numbers.

Is there a function or method available by which I could do:

if (x in first_100_prime_numbers)
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  1. Editorial Team
    Editorial Team
    2026-05-31T08:25:23+00:00Added an answer on May 31, 2026 at 8:25 am

    As Almo already said in a comment, many collection classes in Cocoa have a containsObject: method that you can use for this purpose. Note that performing containsObject: on an array will probably be much slower (especially when the array is large) than on a set or hash table as the method has to iterate over every item in the array until it finds a match.

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